baber/WOPTO huggingface dataset:
Patent GB-1487871-A (GB)
Title: Glidepath beacon
IPC: G01S1/18
Filed: 1975-05-06
Abstract: 1487871 Glide path beacon; aerials STANDARD TELEPHONES & CABLES Ltd 6 May 1975 18928/75 Headings H4D and H4A A glide path beacon for producing a Null type glide path signal comprises an antenna arrangement wherein the antenna 2 radiating the carrier frequency and the four side bands corresponding to the 90 Hz and 150 Hz side bands is positioned on a mast at 5 wavelengths above ground level, and two antennµ 3 and 4 radiating the side bands only are positioned beneath antenna 2 at 1 wavelength above ground. The beam direction of antenna 3 is, along with antenna 2, directed along the glide path towards the aircraft, while the beam of antenna 4 is directed in the opposite sense thereto towards reflector 7 which comprises a vertical surface intersecting the ground plane in an arc with radius ¢B centered near the antenna mast whereby an image of antnna 4 radiating along the glide path at a distance B from the main mast is seen by the aircraft. In this way antennµ 3 and 4 remain in the same vertical plane independent of the azimuthal angle of the aircraft, while the low position of antennµ 3 and 4 reduces multipath interference by reflection from the ground plane, while the apparent separation of antennµ 3, 4 by a distance B, which is chosen to be large e.g. 50 wavelengths, is such that the difference in depth of modulation (DDM) along the glide path varies, it is stated, to a small tolerable extent. A mathematical treatment of the development from the prior art and the performance of the system according to the invention is provided.
Patent GB-858889-A (GB)
Title: Stabilized polypropylene
IPC: C08K5/375
Filed: 1959-06-03
Abstract: Crystalline polypropylene is stabilized by incorporating therein a minor amount of a nickel phenolate of a bis-(p-alkylphenol) monosulphide.  Known antioxidants and/or heat stablilizers may also be added to the polypropylene.  The nickel phenolates are prepared by reacting a nickel salt with a bis-(p-alkyl phenol monosulphide in the manner described in Specification 858,890.  Those exemplified are the reaction products of storchiometric and half storchiometric amounts of nickel chloride with o, o1-bis-(p-1, 1, 3, 3-tetramethyl butyl phenol) monosulphide.  The stabilized compositions are used to make films, fibres, and moulded articles.
Patent GB-381563-A (GB)
Title: Improvements in and relating to cranes, derricks and the like
IPC: B66C23/90
Filed: 1931-07-03
Abstract: 381,563. Jib cranes ; weighing- apparatus. HENDERSON & CO., Ltd., J. M. and GRATTIDGE, E. T., King's Works, Aberdeen. July 3, 1931, No. 19189. [Class 78 (iv).] To prevent overloading, a jib crane, derrick, &e. is provided with a load indicator and a radius indicator, each comprising a pointer moving on a graduated scale, and also with a safe-load indicator moving over the loadindicator scale in accordance with the movement of the jib, the indicators being arranged so that the craneman can see what are the load, the radius, and the relation of the load to the permissible safe load at that radius. As shown, the load scale and the radius scale are co-centric quadrants i, d near one another and visible to the craneman and the safe-load indicator is a plate t moving over the load-scale when the radius exceeds the maximum radius permissible with full load. The operating mechanism is as described in Specification 381,160 and the device may give audible or visual warning or prevent operation of the crane by closing an electric circuit when the safe load is exceeded. Specification 376,282 also is referred to.
Patent GB-711551-A (GB)
Title: Improvements in apparatus for digging and loading earth
Inventor: ARMINGTON RAYMOND QUINTIN
IPC: E02F3/76
Filed: 1952-07-30
Abstract: 711,551. Vehicle body mountings. EUCLID ROAD MACHINERY CO. July 30, 1952, No. 19271/52. Class 108(2) [Also in Group XXI] To permit tilting of a vehicle chassis, e.g. that of a scraper excavator, with respect to the axis of the ground supports 21, 22. e.g. wheels or crawler tracks, one end of the connecting axle 70 of the ground supports is secured to a member 12 of the chassis by a ball and socket joint 71, whilst intermediate of the ground supports the axle 70 is supported in a lever 73. One end of the lever 73 is pivotally connected at 74 to the chassis, whilst the other end is connected to the piston rod 77 of a jack 78 pivotally secured on the chassis, so that movement of the rod 77 into or out of the jack cylinder causes the transverse tilting of the chassis with respect to the axle 70
Patent GB-147206-A (GB)
Title: Improvements in suction operated fuel feed devices for internal combustion engines
IPC: F02M37/02
Filed: 1920-07-07
Abstract: 147,206. Jay, W. Feb. 23, 1917, [Convention date]. Vacuum apparatus.- Apparatus for raising fuel &c. for internal-combustion engines &c. comprises a chamber D connected by a pipe E to a low-level reservoir and by a pipe G to the intake manifold of the engine. A valve L carried by a lever K<2> controls the suction pipe G and is operated by the rise and fall of a float K. The float rod K<1> extends into a lower chamber F open to the atmosphere through a pipe H and to the chamber D through a pipe N controlled by a valve M, carried by a lever M<1> loosely connected to the float rod by a slot m<1> in the lever engaging a flanged collar 0 on the rod.. As the liquid rises in the chamber D the float is gradually submerged, but its rise is resisted by the atmospheric pressure on the lower side of the valve M until its buoyancy overcomes this resistance and opens the valve M and closes the valve L in the snap action. The descent of the float is limited by an adjustable nut P<1> on a rod P passing through the lever K<2>, The valve M mav be loosely mounted on a shouldered pin m.
Patent GB-500415-A (GB)
Title: Manufacture of black trisazo dyestuffs
IPC: C09B35/46
Filed: 1938-06-29
Abstract: 500,415. Dyes. GEIGY AKT.-GES., J. R. June 29, 1938, No. 19296. Convention date, July 1, 1937. [Class 2 (iii)] Trisazo dyes are made by first coupling in acid solution 1 mol. of a tetrazo diphenyl compound with 1 mol. of a peri-aminonaphthol sulphonic acid, then allowing a diazo compound of the benzene or naphthalene series containing sulphonic or carboxylic groups to act on the resulting diazoazo compound in an alkaline medium, and coupling in acetic acid medium the intermediate compound with the sulphuric acid ester of a 2: 4-diaminophenol hydroxyalkylether. They yield black shades on leather. In an example the following dyestuff is described : sulphanilic acid # (alkaline) H acid # (acid) benzidine # (acetic acid) sulphuric acid ester of 2 : 4-diaminophenol hydroxyethylether. Other components specified are o-aminobenzene sulphonic acid, chloraniline sulphonic acids, metanilic and naphthionic acid ; K acid. The sulphuric acid ester of 2 : 4-diaminophenol hydroxyalkylether is made by condensing 2 : 4- dinitrochlorbenzene with ethylene glycol, heating the hydroxyether obtained with sulphuric acid and reducing.
Patent GB-1008657-A (GB)
Title: Improvements in and relating to scraper rings for hydraulic rams
Inventor: TURNER ROBERT STANLEY
IPC: F16J15/32
Filed: 1962-05-18
Abstract: 1,008,657. Scraper rings. JAMES WALKER & CO. Ltd. March 27, 1963 [May 18, 1962], No. 19300/62. Heading F2B. A scraper ring of hard plastic, e.g. nylon, for a reciprocable shaft j comprises a body a and axially extending inner and outer flanges, the inner flange c inclining inwards towards the axis of the ring and the outer flange d inclining outwards from the axis of the ring at an angle substantially greater than the inclination angle of the inner flange. The ring is retained in a recess h in the shaft housing by the free end f of the outer flange d engaging a shoulder i formed between the recess and a bore g in the housing. To facilitate insertion of the ring the bore has a frusto-conical entrance k.
Patent GB-1347938-A (GB)
Title: Start/stop mechanism for a balance wheel
IPC: G04F7/06
Filed: 1972-04-26
Abstract: 1347938 Stop-watches DAINI SEIKOSHA K K 26 April 1972 [7 May 1971] 19400/72 Heading G3T The balance wheel 12 of a stop-watch is stopped by a resilient member 10 on a stop lever 8 engaging one of a plurality of indentations on the periphery of the wheel 12. The indentations may cover the entire periphery or, as shown, only opposite portions 12a, 12b. Stopping is effected by pulling out a winding stem 1 which rotates a setting lever 2 against the action of a spring 6 transmitted by a lever 4. An aperture 2b in lever 2 is engaged by an end 8a of lever 8 which is thus rotated. Upon pressing in of the winding stem, the balance wheel again oscillates. The balance wheel may be electrically maintained and stopped away from its neutral position so that the contact switch remains open:.
Patent GB-1049704-A (GB)
Title: Pistons or plungers for pneumatically-operated apparatus
IPC: F16J1/00
Filed: 1964-05-09
Abstract: 1,049,704. Pistons. J. W. SUTCLIFFE. April 29, 1965 [May 9, 1964], No. 19427/64. Heading F2T. A piston for pneumatically operated apparatus comprises a metal core 1 either wholly or partly enclosed by a sleeve 2 of ceramic material having on its exterior surface a pair of flats or recesses 3 each communicating with an air duct 4 in the core, a radial bore 5 being provided in the piston to accommodate an anchoring member of a device to be driven by the piston. The mating surfaces of the core and sleeve may be tapered and the two parts may be secured together by pressure or by a bonding or adhesive agent. The core may be of aluminium and the sleeve may be of P.T.F.E. with a ceramic filler.
Patent GB-285315-A (GB)
Title: Improvements in electrical pick-up and amplifying devices for use with gramophones and the like
IPC: H04R19/04
Filed: 1927-07-22
Abstract: 285,315. Andrewes, H., and Dubilier Condenser Co. (1925), Ltd. July 22, 1927. Condenser telephones. - An electrostatic sound-reproducer, for use with gramophones or the like in conjunction with a thermionic amplifier, comprises a conducting flexible diaphragm 8 and a rigid conducting electrode 5 mounted in a casing 1 adapted to be secured to the tone-arm or equivalent support. The diaphragm is connected through a bar 10 to a needle-holder 13 arranged in the usual manner, so that vibrations caused by the reproducing- needle vary the capacity between the electrodes 8, 5. The electrode 5 is a perforated plate which is adjustably mounted in a bushing 2 in the casing 1 an insulating washer 7 being interposed between the plate 5 and the diaphragm 8. The latter may be made of metal, or of mica, having a conducting coating. The casing 1 may be made of insulating material, but if made of metal, the bushing 2 is an insulator. When the reproducer is connected to a valve amplifying system, potential variations due to the varying capacity between the electrodes of the reproducer are set up, in accordance with the recorded sound, and reproduction is effected by a loud-speaker in the usual manner.
Patent GB-1150781-A (GB)
Title: Improvements in and relating to Clips for Mounting Wire Springs
Inventor: SIBTHORP JAMES
IPC: A47C31/06
Filed: 1966-05-03
Abstract: 1,150,781. Spring upholstery. CHILTERN SPRINGS Ltd. 22 March, 1967 [3 May, 1966], No. 19508/66. Heading A4M. A clip for securing the end of a sinuous spring to a frame comprises a metal strip 1 bent into a hook shape at one end and enclosed in a plastics sheath 7 which may be confined to the bend or may extend over the whole length of the strip 1, the sheath being longitudinally gapped to define flanges 4 which may bear resiliently on the strip 1. Attachment holes 6 are provided. Upset portions of the strip 1 within the bend may embed in the sheath 7. The sheath may be continuously extruded over metal strip which is subsequently cut and bent to form clips.
Patent GB-293209-A (GB)
Title: Improvements in or connected with driving belts or conveyer belts
IPC: F16G1/04
Filed: 1927-07-23
Abstract: 293,209. Ebell, W. July 23, 1927. Flat endless-belt conveyers. - Conveyer and driving belts are made from Tussah silk, that is, the silk of the worms Antherea mylitta and Antherea pernyi, thus offering greater resistance to chemical action than those of cultivated silk, that is, of the Bombyx mori. Specification 195,398, [Class 80 (i) Gearing, Belt &c.], is referred to.
Patent GB-200376-A (GB)
Title: Improvements in or relating to apparatus for the electrolysis of water
IPC: C25B9/17
Filed: 1922-07-17
Abstract: 200,376. Casale, L. July 17, 1922. Cells; electrodes; oxygen and hydrogen, obtaining.-In a cell for the generation of oxygen and hydrogen, each electrode comprises a column of sheet iron strips 5, Fig. 2, bent into rectangular frames with sloping sides. Each column is surmounted by a hood 6 projecting above the liquid. The strips 5 are connected together by vertical strips supported by rods passing through insulating glands in the roof. Gaps 17 are provided in the bottom members of the columns. The cell is divided by partitions 12 into anode and cathode compartments frorn which the gas is withdrawn by pipes 14 connected to headers. A circulation of electrolyte up through the electrodes and down between them is set up, promoting separation of the gases without the use of a diaphragm. In a modification, the cathode consists of a cylindrical sheet. 22, Fig. 3, provided with sloping gaps and an unperforated sheet 21 connected to it at the bottom by an annular plate 23. The anode is mounted within the cathode and consists of an outer cylinder with sloping gaps and an inner unperforated sheet. The space between the electrodes is closed at the top by a plane or V-shaped annular disc 27 secured to the partition 24.
Patent GB-596730-A (GB)
Title: Improvements in or relating to vacuum seals for vapour electric arc converters
IPC: H01J13/26
Filed: 1945-08-01
Abstract: 596,730. Metal vapour converters. GENERAL ELECTRIC CO., Ltd., and THOMPSON, W. G. Aug. 1, 1945, No. 19779. [Class 39 (i)] A vitreous enamel seal 1 for vapour electric arc converters has a plurality of metallic members 2 preferably of frustro-conical shape separated and united by vitric material 3, the lowest member 3 being sealed to a part 4 welded into the top plate 6 of the converter. The top member 2 is sealed to a flange 7 of the anode 8, and a cover 9 of metal or porcelain fits down on to the upper surface of the flange 7 and overlaps the top of the insulator 10 to enclose and shield the external surface of the seal. In a modification, the anode has a horizontal flange between which and the top plate of the rectifier is an outdoor type leading- in insulator. In each construction the space between the seal and the insulator may be filled with a bituminous compound of high softening point ; alternatively the insulator is divided into sections and provided. with metal inserts to facilitate thermal radiation.
Patent GB-999657-A (GB)
Title: Improvements in or relating to pressure-tight electrical apparatus housings having aconstruction resistant to internal explosions
Inventor: MARINOVIC NENAD
IPC: H02G3/08
Filed: 1963-05-17
Abstract: 999,657. Bayonet fastenings. RODE KONCAR. May 17, 1963, No. 19782/63. Headings E2B. [Also in Divisions F2 and H2] A pressure-tight housing for electrical apparatus comprises two parts, 1, 2 joined together by a bayonet fastening having teeth 4, 5 and is characterised in that a tapered portion 3 on the part 1 is arranged to be elastically deformable, under pressure, to engage a thickened, rigid, annular portion 6 on the part 2. Two of the teeth 4<SP>1</SP>, 5<SP>1</SP> are smaller than the others so that the parts may be located in one position only. The two parts are held in engagement by a screw-operated cam 8 attached to the part 2 and arranged to engage a projection 10 on the part 1.
Patent GB-1391872-A (GB)
Title: Apparatus for centering spectacle lenses and for attaching a mount to the spectacle lens
IPC: B24B9/14
Filed: 1973-04-26
Abstract: 1391872 Centring lenses for grinding WERNICKE & CO KG 26 April 1973 [26 April 1972] 19841/73 Heading B3D [Also in Division G2] Apparatus for centring spectacle lenses which may have a rear part and for attaching the lens to a mounting part for insertion into an edgegrinding machine, comprises a beam splitter 6, such as a prism or partially reflecting mirror, disposed between an eyepiece and the lens 7 for reflecting a template 10 and scale of angles 9, the lens being retained by spring pressure on the ends of a plurality of supporting rods 19 between a light source 37 and the beam splitter and slidable on the rods in the plane of the lens. A lens 2 and prism 3 are disposed in front of the eye 1 for directing the optical path B to the beam splitter 6, wherein part of the beam passes to the lens 7 and part 12 passes to a further beam splitter 8 for splitting the part 12 into parts 11, 13 for observation of the template 10 and a protractor scale 9. The lens is supported in a part 14 having the support rods 19 which are slidable in bushes 18 of a diffusion filter screen 17 disposed above the light source 37. The ends of the rods have protective covers 20 for supporting the rods and stop rings 21 on the rods can engage the bushes 18 to determine the uppermost position to which the rods can be urged by spring 24 in guides 23 formed on a cup-shaped member 16. A column 27a is slidable in a vertical sleeve 27 and carries an arm 28 on which are rubber covered studs for engaging the upper surface of the lens when the column is lowered. The lens is slidable between the rods and studs to a position according to the template and scale, the periphery and near part of the lens being visible by the light from the source 37. A locking ring 26 having ramps on its inner surface can be rotated to lock the rods in position after positioning of the lens on the support rods. An insert 31 is locatable on the arm by a projection 33 engaging a recess 34 and slidably receives a holder 35 having a rubber suction cup 36 or metal block for securing to the lens, the cup or block then being detached from the holder for attachment to the mount of an edge-grinding machine. In another embodiment, the arm 28 is fixed and the rods 19 can be pressed downwardly against the springs to permit insertion of the lens. In a further embodiment, the support rods are fixed.
Patent GB-410987-A (GB)
Title: Improvements in or relating to hair wavers
IPC: A45D2/24
Filed: 1933-07-13
Abstract: 410,987. Hair-curling appliances. SCHRAMM, H., 8, Anhalterstrasse, Berlin. July 13, 1933, No. 19862. [Class 131.] In a hair waver or curler of the kind comprising two arms A, C hinged together and each consisting of a length of wire or other pliable material E covered by a soft wrapping, the hinge between the arms is formed by flexible material such as leather, the arm C, which is thicker than the arm A, is provided with an elastic band B adapted to hold the hair during winding, and the arm A is provided with a rubber ring D adapted to be engaged over the end of the arm C so that the wound tress is securely clamped between the arms. As shown, the wire E of the arm C is wrapped with coils of textile thread F covered by a helical layer H of paper, and the two arms are covered by a sleeve K of soft leather, the portion L of which constitutes the hinge. The elastic band B is attached to hooks G on the ends of the wire E and passes through the seam of the sleeve K.
Patent GB-1216820-A (GB)
Title: Unsaturated compounds
IPC: C08F8/14
Filed: 1967-11-26
Abstract: 1,216,820. Unsaturated compounds. W. R. GRACE & CO. 26 Nov., 1967, No. 19895/70. Divided out of 1,215,591. Headings C3P and C3R. Unsaturated compounds of M.W. 300 to 20,000 and a viscosity of 0 to 20 million centipoises at 70‹ C. of the general formula wherein X represents a group of the formula wherein each R independently represent hydrogen, chlorine, fluorine, phenyl, benzyl, C 1-16  alkyl, C 3-8  cycloalkyl, C 1-16  substituted alkyl, substituted phenyl or substituted benzyl, n is at least 1 and m is at least 2 and A represents a polyvalent radical which is a polyether polyol from which the hydrogen atoms of alcohol groups have been removed or a carboxyl-terminated polyolefin from which the hydrogen atoms of -COOH groups have been removed, the radical A being free of reactive carbon to carbon unsaturation and of unsaturated groupings in terminal conjugation with the carbon to carbon multiple bonds in the X groups, may be prepared by dehydration of a polyether polyol, e.g. over heated aluminium oxide or by the reaction of an alcohol containing a terminal or near terminal -ene or -yne group with a carboxylterminated branched chain polyalkylene. In examples, polypropylene glycol was dehydrated over heated aluminium oxide, the diacetate of polypropylene glycol was dehydrated over glass helices and a carboxyl terminated polyisobutylene was reacted with allyl alcohol in the presence of p-toluenesulphonic acid as catalyst.
Patent GB-1057109-A (GB)
Title: Combined fast-bound book and loose-leaf binder
IPC: B42F13/02
Filed: 1964-05-13
Abstract: 1,057,109. Books; loose-leaf binders. C. J. BROADHURST. Aug. 10, 1965 [May 13, 1964], No. 19903/64. Headings B6A and B6E. A book which can be used as a loose-leaf binder comprises two stiff covers 10 joined by a strip of cloth or similar material 11 with an adhesive coating to which leaves 12 are adhered, the leaves and covers being provided with perforations 13 whereby the book can be inserted like a pad in a separate binder or leaves detached from the strip 11 may be held between the covers 10 by binding members passed through the perforations 13. The binding members may comprise laces with cross-bars at their ends, Figs. 2, 3, 5, 6, 7 (not shown), or laces with spear-andsheath tags, Fig. 4 (not shown), or hinged rings, Fig. S (not shown). The laces may be elastic. Detached leaves 17, Fig. 5 (not shown), may be held to one cover by a lace 16 whilst the leaves 12 still attached to the strip 11 are adjacent to the other cover.
Patent GB-1304218-A (GB)
IPC: C09K11/71
Filed: 1970-04-24
Abstract: 1304218 Calcium pyrophosphate GTE SYLVANIA Inc 24 April 1970 [28 April 1969] 19923/70 Heading C1A γ - Ca 2 P 2 O 7  is made by precipitating CaHPO 4 2H 2 O from a solution containing calcium ions and phosphate ions, eliminating the water of hydration from the precipitate to form anhydrous CaHPO 4 , and heating the CaHPO 4  while maintaining it in agglomerationpreventing motion to a temperature that will convert it into γ-Ca 2 P 2 O 7 , preferably in an inclined kiln or a fluidized bed. The solution may be of (NH 4 ) 2 HPO 4  and CaCl 2 .
Patent GB-223199-A (GB)
Title: Improvements in boxes, cases and the like
IPC: B65D45/34
Filed: 1924-08-23
Abstract: 223,199. Sawyer, C. F. Oct. 10, 1923, [Convention date]. Knock-down boxes; lids.-A collapsable box of the kind in which separate members are assembled round the edges of end pieces and are held in proper relation by dowel pins, is held together by removable iron bands A, Fig. 2, to which are pivoted end bands B, C which are divided in the middle as shown in Fig. 1, the ends being pivoted to a rotatable bar D which, when turned, draws the ends together, a projection d engaging beneath the band C to hold it in place. The bar D may be replaced by a disc E , Fig. 5, rotated by means of a hand tool which engages holes F. The fastening device may be used also for securing the lid to a box as shown in Fig. 6, the band being replaced by a stout wire.. Reference has been directed by the Comptroller to Specification 14586/84.
Patent GB-147931-A (GB)
Title: Improvements in sheet and tin mill furnace
IPC: C21D9/46
Filed: 1920-07-09
Abstract: 147,931. Allis, H. E., (Representative of Allis, T. V.). April 8, 1916, [Convention date]. Metal-heating furnaces.-A furnace for use in the manufacture of sheet metal comprises in one structure a continuous barheating furnace 1, and a furnace 2 for reheating the partly-reduced sheets, the two furnaces having separate fire-boxes 6, 7 situated behind the reheating-furnace. The discharge door 4 of the bar-heating furnace, and the door of the reheating-furnace are situated at the same side of the structure. The bar-heating furnace is made wider towards the discharging-end, and the opening between the fire-box 7 and the reheating-furnace 2 is flared at one side.